add tests for box component

Author: hyperz111

packages/prompts/test/__snapshots__/box.test.ts.snap

@@ -191,6 +191,38 @@ exports[`box (isCI = false) > renders truncated long titles 1`] = `
 ]
 `;
 
+exports[`box (isCI = false) > renders wide characters with auto width 1`] = `
+[
+  "┌─这是标题─────────────────┐
+",
+  "│  이게 첫 번째 줄이에요   │
+",
+  "│  これは次の行です        │
+",
+  "└──────────────────────────┘
+",
+]
+`;
+
+exports[`box (isCI = false) > renders wide characters with specified width 1`] = `
+[
+  "┌─这是标题─────┐
+",
+  "│  이게 첫     │
+",
+  "│  번째        │
+",
+  "│  줄이에요    │
+",
+  "│  これは次の  │
+",
+  "│  行です      │
+",
+  "└──────────────┘
+",
+]
+`;
+
 exports[`box (isCI = false) > renders with formatBorder formatting 1`] = `
 [
   "┌─title──────┐
@@ -423,6 +455,38 @@ exports[`box (isCI = true) > renders truncated long titles 1`] = `
 ]
 `;
 
+exports[`box (isCI = true) > renders wide characters with auto width 1`] = `
+[
+  "┌─这是标题─────────────────┐
+",
+  "│  이게 첫 번째 줄이에요   │
+",
+  "│  これは次の行です        │
+",
+  "└──────────────────────────┘
+",
+]
+`;
+
+exports[`box (isCI = true) > renders wide characters with specified width 1`] = `
+[
+  "┌─这是标题─────┐
+",
+  "│  이게 첫     │
+",
+  "│  번째        │
+",
+  "│  줄이에요    │
+",
+  "│  これは次の  │
+",
+  "│  行です      │
+",
+  "└──────────────┘
+",
+]
+`;
+
 exports[`box (isCI = true) > renders with formatBorder formatting 1`] = `
 [
   "┌─title──────┐

packages/prompts/test/box.test.ts

@@ -234,4 +234,32 @@ describe.each(['true', 'false'])('box (isCI = %s)', (isCI) => {
 
 		expect(output.buffer).toMatchSnapshot();
 	});
+
+	test('renders wide characters with auto width', () => {
+		const messages = [
+			'이게 첫 번째 줄이에요',
+			'これは次の行です',
+		];
+		prompts.box(messages.join("\n"), '这是标题', {
+			input,
+			output,
+			width: 'auto',
+		});
+
+		expect(output.buffer).toMatchSnapshot();
+	});
+
+	test('renders wide characters with specified width', () => {
+		const messages = [
+			'이게 첫 번째 줄이에요',
+			'これは次の行です',
+		];
+		prompts.box(messages.join("\n"), '这是标题', {
+			input,
+			output,
+			width: 0.2,
+		});
+
+		expect(output.buffer).toMatchSnapshot();
+	});
 });